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Author Topic: VCP driver on macOS 11  (Read 166 times)

kalle

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VCP driver on macOS 11
« on: September 10, 2020, 12:20:41 PM »

The current VCP driver can't be installed on macOS 11 beta 6 as Apple seems to consider it a "legacy system extension" (https://support.apple.com/en-us/HT210999). Is there any plans to provide a driver that works on macOS 11?
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Re: VCP driver on macOS 11
« Reply #1 on: September 11, 2020, 12:57:48 PM »

Hello,

We are currently working on a .dext version of the driver to be compatible with the newer versions of macOS.
 
However in macOS 10 Apple distributed a VCP driver built into the OS which works for all standard FTDI devices, this was called AppleUSBFTDI.kext pre-Catalina and AppleUSBFTDI.dext in Catalina. I haven’t had a chance to look at macOS 11 yet, but I believe the inbuilt apple driver should still be included.


Best Regards,
FTDI Community
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on8mc

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Re: VCP driver on macOS 11
« Reply #2 on: September 11, 2020, 07:25:13 PM »

I use two (2) devices with a FTDI chip. An RT Systems USB-62C cable and a Microham USB Interface III.

The RT Systems USB-62C cable works fine with the built-in .dext in macOS 11 Big Sur Beta 6. The Microham USB Interface III doesn't.
« Last Edit: September 11, 2020, 07:41:19 PM by on8mc »
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Re: VCP driver on macOS 11
« Reply #3 on: September 14, 2020, 03:43:59 PM »

Hello,

I am unfamiliar with the Microham USB Interface III, could you share its details from the hardware monitor similar to the attached screenshot?

Best Regards,
FTDI Community
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on8mc

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Re: VCP driver on macOS 11
« Reply #4 on: September 14, 2020, 05:57:45 PM »

Here it is (in macOS Catalina):




in macOS 11 Big Sur:



« Last Edit: September 14, 2020, 06:08:06 PM by on8mc »
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Re: VCP driver on macOS 11
« Reply #5 on: September 18, 2020, 10:45:48 AM »

Hello,

I see that your device is using the Product ID (PID): 0xEEEF with our default FTDI Vendor ID (VID): 0x0403.
This VID/PID combination is included in our VCP driver (FTDIUSBSerialDriver.kext), however it is not included in the inbuilt Apple VCP driver (AppleUSBTDI.dext).

Unfortunately at this time we do not have a .dext version driver available for macOS 11 Big Sur, but we hope to have this available shortly.

Best Regards,
FTDI Community
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James

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Re: VCP driver on macOS 11
« Reply #6 on: September 21, 2020, 02:44:40 PM »

Hi there, we are also looking forward to the .dext driver version.

We have a few products using the default FTDI vendor ID with our own PID (granted by FTDI some years back). Will our VID/PID combination also work in the upcoming .dext driver?

Thanks
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Re: VCP driver on macOS 11
« Reply #7 on: September 22, 2020, 03:56:28 PM »

Hello,

We have a few products using the default FTDI vendor ID with our own PID (granted by FTDI some years back). Will our VID/PID combination also work in the upcoming .dext driver?

If your VID/PID combination is currently included in our macOS VCP driver's Info.plist file then yes it will be included in the .dext version of the driver.

Best Regards,
FTDI Community
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